31693390

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{151}}^2$

素因数の和:448

約数の個数: 24

約数和(自身を含む): 57841560

約数和(自身を除く): 26148170

約数列:

[1, 2, 5, 10, 139, 151, 278, 302, 695, 755, 1390, 1510, 20989, 22801, 41978, 45602, 104945, 114005, 209890, 228010, 3169339, 6338678, 15846695, 31693390]

約数ペア:

[(1, 31693390), (2, 15846695), (5, 6338678), (10, 3169339), (139, 228010), (151, 209890), (278, 114005), (302, 104945), (695, 45602), (755, 41978), (1390, 22801), (1510, 20989)]